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media: ccs: Use devm_v4l2_sensor_clk_get()

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Rely on devm_v4l2_sensor_clk_get() to obtain the sensor's external clock.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
This commit is contained in:
Sakari Ailus 2026-01-09 11:00:21 +02:00 committed by Hans Verkuil
parent bc6af7695a
commit 08e4793763
1 changed files with 19 additions and 36 deletions
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55
drivers/media/i2c/ccs/ccs-core.c
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@ -3296,47 +3296,30 @@ static int ccs_probe(struct i2c_client *client)
return rval;
}
sensor->ext_clk = devm_clk_get(&client->dev, NULL);
if (PTR_ERR(sensor->ext_clk) == -ENOENT) {
dev_info(&client->dev, "no clock defined, continuing...\n");
sensor->ext_clk = NULL;
} else if (IS_ERR(sensor->ext_clk)) {
dev_err(&client->dev, "could not get clock (%pe)\n",
sensor->ext_clk);
return -EPROBE_DEFER;
}
sensor->ext_clk = devm_v4l2_sensor_clk_get(&client->dev, NULL);
if (IS_ERR(sensor->ext_clk))
return dev_err_probe(&client->dev, PTR_ERR(sensor->ext_clk),
"could not get clock\n");
if (sensor->ext_clk) {
if (sensor->hwcfg.ext_clk) {
unsigned long rate;
if (sensor->hwcfg.ext_clk) {
unsigned long rate;
rval = clk_set_rate(sensor->ext_clk,
sensor->hwcfg.ext_clk);
if (rval < 0) {
dev_err(&client->dev,
"unable to set clock freq to %u\n",
sensor->hwcfg.ext_clk);
return rval;
}
rval = clk_set_rate(sensor->ext_clk, sensor->hwcfg.ext_clk);
if (rval < 0)
return dev_err_probe(&client->dev, rval,
"unable to set clock freq to %u\n",
sensor->hwcfg.ext_clk);
rate = clk_get_rate(sensor->ext_clk);
if (rate != sensor->hwcfg.ext_clk) {
dev_err(&client->dev,
"can't set clock freq, asked for %u but got %lu\n",
sensor->hwcfg.ext_clk, rate);
return -EINVAL;
}
} else {
sensor->hwcfg.ext_clk = clk_get_rate(sensor->ext_clk);
dev_dbg(&client->dev, "obtained clock freq %u\n",
sensor->hwcfg.ext_clk);
rate = clk_get_rate(sensor->ext_clk);
if (rate != sensor->hwcfg.ext_clk) {
return dev_err_probe(&client->dev, -EINVAL,
"can't set clock freq, asked for %u but got %lu\n",
sensor->hwcfg.ext_clk, rate);
}
} else if (sensor->hwcfg.ext_clk) {
dev_dbg(&client->dev, "assuming clock freq %u\n",
sensor->hwcfg.ext_clk);
} else {
dev_err(&client->dev, "unable to obtain clock freq\n");
return -EINVAL;
sensor->hwcfg.ext_clk = clk_get_rate(sensor->ext_clk);
dev_dbg(&client->dev, "obtained clock freq %u\n",
sensor->hwcfg.ext_clk);
}
if (!sensor->hwcfg.ext_clk) {